formally
US /ˈfɔːr.mə.li/
UK /ˈfɔːr.mə.li/
1.
in a way that is in accordance with rules or conventions or with established practice
:
•
The agreement was formally signed by both parties.
•
He was formally introduced to the board members.
2.
in a stiff, precise, or conventional manner
:
•
She dressed very formally for the gala.
•
He spoke formally, avoiding slang.